// ///////////////////////////// MIT License //////////////////////////////////// //
//                                                                                //
// Copyright (c) 2010 David Zsolt Manrique                                        //
//                    david.zsolt.manrique@gmail.com                              //
//                                                                                //
// Permission is hereby granted, free of charge, to any person obtaining a copy   //
// of this software and associated documentation files (the "Software"), to deal  //
// in the Software without restriction, including without limitation the rights   //
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell      //
// copies of the Software, and to permit persons to whom the Software is          //
// furnished to do so, subject to the following conditions:                       //
//                                                                                //
// The above copyright notice and this permission notice shall be included in     //
// all copies or substantial portions of the Software.                            //
//                                                                                //
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR     //
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,       //
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE    //
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER         //
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  //
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN      //
// THE SOFTWARE.                                                                  //
//                                                                                //
// ////////////////////////////////////////////////////////////////////////////// //

#ifndef POTENTIAL_BASE_H
#define POTENTIAL_BASE_H

#include "function.h"


//! Base potential class.
struct potential_base
{
	virtual	std::string record_atom_index() const;
	virtual std::string record_key() const;
	virtual	std::string record_params() const;
	virtual bool equivalent(const potential_base & r) const;
	virtual void eval(real_type & u,vector_array_type & f,const vector_array_type & r) const;
	virtual void eval(real_type & u,vector_array_type & f,const vector_array_type & r,const real_type & t) const;
	virtual void peval(real_type & u,vectorx_type & dp,const vectorx_type &  p,const vector_array_type & r) ;
	//virtual ~potential_base();
};

struct fit_base
{
	virtual void pdiff(real_type & u,vectorx_type & dp,const vectorx_type & p,const vector_array_type & r);
};

#endif // POTENTIAL_BASE_H

